Nga omukozi w’ebyuma ebisunsula eby’obugagga ebizzibwa obuggya, Ruijie awa eby’okugonjoola ebijjuvu —okwawula mu magineeti, okukebera, okutambuza, okumenya, n’okusunsula essikirizo —ebikoleddwa mu ngeri ey’okuteeka ebyuma ebikadde, okwokya wansi evvu (iba y’okuddamu okukuŋŋaanyizibwa, okulongoosa mu nkola y’okuzimba.
Ebyuma ebikebera ebyuma ebikozesebwa mu kukebera ebikozesebwa mu kusengejja ebintu ebikozesa ebintu ebinene n’okusengeka ekitundu ky’obutundutundu kiyita mu bituli eby’okusengejja, ne bigabanyaamu omusenyu, amayinja, amayinja n’ebintu ebirala mu mitendera egy’enjawulo egy’ebyuma ebikebera n’ebyuma ebikankana okusinziira ku bunene bw’obutundutundu.
Okugatta ku ekyo, ekyuma ekikebera era kisobola okukozesebwa okuggyawo obucaafu okukakasa Omutindo gw'ekintu ..
1. Obulung’amu bw’okukebera buli waggulu, era ekitundu kya Screen Gap kisukka emirundi 10 ku kika kya roller screen kye kimu.
2. Amaanyi ga motor gakendeera nnyo. Bw’ogeraageranya n’ebisenge ebifaanagana, amaanyi agakozesebwa gakendeera ebitundu ebisukka mu 30%.
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4.Ekikolwa ky’okukebera ekyuma ekisengejja kirungi nnyo, era kisobola okwawula obulungi obutundutundu obw’obunene n’enkula ez’enjawulo.